Description
Product Overview
The Emerson SE5009 is a DC-to-DC system power supply used in DeltaV S-series distributed control systems. Its role is to convert the incoming 24 VDC bulk supply into the internal power rails required by the controller and I/O interfaces. Unlike a general-purpose cabinet power supply, the SE5009 is designed for installation in a compatible DeltaV power/controller carrier, where the carrier’s internal buses distribute power to the designated system components. Emerson documentation identifies an output of up to 8 A at 12 VDC for I/O interfaces, as well as a 5 VDC supply for the controller.
For maintenance teams, the Emerson SE5009 is relevant when diagnosing controller power faults, I/O interface power interruptions, or a failed system power supply in an existing DeltaV installation. Correct replacement depends on more than matching the model number: verify the nameplate, input supply, carrier type, required output rails, and the installed system configuration. The supply should also be checked against the system’s total power demand, especially where additional I/O interfaces or redundant power arrangements are present.
The Emerson SE5009 should not be confused with other DeltaV power supply models that use different input sources or serve different system positions. Before ordering, compare the complete part identification and inspect connector and housing condition. For a replacement unit, request confirmation of its tested operating status and warranty terms rather than assuming those details from the model number alone.
Product Introduction
A DeltaV controller can report a power fault even when the cabinet’s incoming DC supply appears normal. The SE5009 converts the 24 VDC feed into the internal rails used by the S-series controller and I/O hardware, so diagnosis should include both the module and its carrier connections.
For replacement planning, verify the required load, installed carrier, and full nameplate identification. A matching model number alone does not confirm that a unit has passed functional testing.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | SE5009 |
| Manufacturer | Emerson |
| System Family | DeltaV S-Series |
| Product Type | DC-to-DC system power supply |
| Nominal Input Voltage | 24 VDC |
| Controller Supply | 5 VDC |
| I/O Interface Supply | 12 VDC, up to 8 A |
| Mounting Method | Compatible S-series horizontal power/controller carrier |
| System Prerequisite | DeltaV v11.3 or later, per published product data |
| Communication Protocol | Not applicable as a standalone power supply |
| Firmware Version | Not applicable as a standalone power supply |
| Condition / Warranty | Must be confirmed for the specific unit |
The published 8 A output rating is subject to system load and installation requirements. Check the current product data sheet and hardware reference before finalizing a replacement.
SE5009
Related Products
These are related DeltaV power-system models, not automatic drop-in replacements.
- SE5109 — S-series DC-to-DC system power supply; verify its ordering requirements and certifications against the installed configuration.
- VE5001 — M-series AC-to-DC system power supply; uses an AC input arrangement, so it is not a direct substitute for .
- VE5009 — M-series DC-to-DC system power supply; confirm carrier compatibility before considering it.
- VE5109 — M-series DC-to-DC system power supply variant; confirm system and certification requirements.
- VE5010 — DeltaV power supply carrier; a carrier component, not a replacement for the power supply itself.
Frequently Asked Questions
1. Can I hot-swap the Emerson ?
Do not assume it is safe to remove the module while energized. Follow the site’s approved maintenance procedure and the applicable DeltaV hardware instructions. Confirm redundancy and process impact before disturbing the supply.
2. Does the support firmware v3.1?
Firmware v3.1 is not a typical standalone specification for this power supply. Verify the controller and DeltaV system software requirements separately.
3. Is the compatible with every DeltaV carrier?
No. Published documentation identifies compatibility with S-series horizontal power/controller carriers. Confirm the exact carrier and installation position before ordering.
4. What should be checked before replacing a failed ?
Measure the incoming 24 VDC supply, inspect the carrier contacts and power buses, review the connected load, and check the system’s power-fault indications. A faulty upstream supply or carrier can produce symptoms similar to a failed module.
5. Is the suitable for redundant power arrangements?
DeltaV systems can use multiple system power supplies, but the correct arrangement depends on carrier design, load distribution, and system configuration. Confirm the approved redundancy architecture in the applicable hardware documentation.
6. How can I verify that an is authentic and tested?
Check the model and nameplate markings, housing and connector condition, and traceability records. Ask for documented functional-test results and the warranty applicable to the actual unit. A label or seller description alone does not establish test status.
7. Is a refurbished suitable for a production DCS?
It may be suitable if the unit passes appropriate electrical and functional checks and meets site maintenance requirements. Confirm condition, test scope, warranty, and return terms before installation.
